How to use previous solution as a initial condition in time dependent PDE with parametric sweep

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I want to run parametric sweep on a time dependent PDE problem. During each parameter I want to set previous solution as a initial condition. I did it as attached. But in that case I have to manually change the parameter and run the simulation again and again for different parameter. I want to automate the process and do it in a parametric sweep.How can I do that?


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